124331401 has 2 divisors, whose sum is σ = 124331402. Its totient is φ = 124331400.

The previous prime is 124331371. The next prime is 124331407. The reversal of 124331401 is 104133421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122766400 + 1565001 = 11080^2 + 1251^2 .

It is a cyclic number.

It is not a de Polignac number, because 124331401 - 2⁵ = 124331369 is a prime.

It is not a weakly prime, because it can be changed into another prime (124331407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62165700 + 62165701.

It is an arithmetic number, because the mean of its divisors is an integer number (62165701).

Almost surely, 2^124331401 is an apocalyptic number.

It is an amenable number.

124331401 is a deficient number, since it is larger than the sum of its proper divisors (1).

124331401 is an equidigital number, since it uses as much as digits as its factorization.

124331401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 124331401 is about 11150.3991408380. The cubic root of 124331401 is about 499.1069405058.

Adding to 124331401 its reverse (104133421), we get a palindrome (228464822).

The spelling of 124331401 in words is "one hundred twenty-four million, three hundred thirty-one thousand, four hundred one".